Metallurgical Analysis MCQ Questions and Answers

1.
Determination of phosphorous content of iron & steel is done by bringing phosphorous into solution and then finding it by the . . . . . . . . method.

A. combustion

B. gravimetric

C. volumetric

D. both B and C

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2.
Temperature used in the determination of volatile matter of coal is . . . . . . . . °C.

A. 750

B. 850

C. 950

D. 1050

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3.
During volatile matter content determination, air dried coal sample is heated for 7 minutes at a constant temperature of . . . . . . . . °C.

A. 725

B. 925

C. 1050

D. 1175

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4.
For hydrogen analysis in blast furnace, gas by Orsat apparatus, it is completely oxidised in contact with CuO to H₂O at a-temperature of about . . . . . . . . °C.

A. 150

B. 280

C. 500

D. 800

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5.
Cuprous chloride solution is used in orsat apparatus for selectively absorbing carbon monoxide. However, it is capable of absorbing . . . . . . . . also.

A. O₂

B. CO₂

C. C₂H₄

D. all A, B and C

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6.
Ammonia present in coke oven gas is determined by passing its measured volume through the standard solution of

A. sulphuric acid and then titrating it with alkali

B. hydrochloric add and then weighing the precipitate

C. nitric acid and then weighing the precipitate

D. none of these

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7.
During dissolution of iron from iron ore in acid solution, the rate of dissolution is accelerated by the addition of little amount of . . . . . . . . which reduces ferric iron to ferrous state.

A. BaCl₂

B. CaCl₂

C. SnCl₂

D. NaCl

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8.
For moisture determination during proximate analysis of coal, -72 mesh coal (2 - 10 gms) is heated between 105 to 110°C

A. for 30 minutes

B. for one hour

C. till constant weight is achieved

D. either B or C

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9.
Determination of volatile matter in coal, during its proxiinate analysis requires heating of coal sample.

A. weighing 25 gins (as received basis) in a muffle furnace

B. in a platinum crucible

C. weighing 1 gms (air dried)

D. in a fuel oil fired furnace

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10.
Calorific value of fuel gases is not determined by the . . . . . . . . calorimeter,

A. bomb

B. Boy's

C. Junker's

D. none of these

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Metallurgical Analysis MCQ Questions and Answers | Metallurgical Engineering

1. Determination of phosphorous content of iron & steel is done by bringing phosphorous into solution and then finding it by the . . . . . . . . method.

Answer & Solution

2. Temperature used in the determination of volatile matter of coal is . . . . . . . . °C.

Answer & Solution

3. During volatile matter content determination, air dried coal sample is heated for 7 minutes at a constant temperature of . . . . . . . . °C.

Answer & Solution

4. For hydrogen analysis in blast furnace, gas by Orsat apparatus, it is completely oxidised in contact with CuO to H2O at a-temperature of about . . . . . . . . °C.

Answer & Solution

5. Cuprous chloride solution is used in orsat apparatus for selectively absorbing carbon monoxide. However, it is capable of absorbing . . . . . . . . also.

Answer & Solution

6. Ammonia present in coke oven gas is determined by passing its measured volume through the standard solution of

Answer & Solution

7. During dissolution of iron from iron ore in acid solution, the rate of dissolution is accelerated by the addition of little amount of . . . . . . . . which reduces ferric iron to ferrous state.

Answer & Solution

8. For moisture determination during proximate analysis of coal, -72 mesh coal (2 - 10 gms) is heated between 105 to 110°C

Answer & Solution

9. Determination of volatile matter in coal, during its proxiinate analysis requires heating of coal sample.

Answer & Solution

10. Calorific value of fuel gases is not determined by the . . . . . . . . calorimeter,

Answer & Solution

1.
Determination of phosphorous content of iron & steel is done by bringing phosphorous into solution and then finding it by the . . . . . . . . method.

2.
Temperature used in the determination of volatile matter of coal is . . . . . . . . °C.

3.
During volatile matter content determination, air dried coal sample is heated for 7 minutes at a constant temperature of . . . . . . . . °C.

4.
For hydrogen analysis in blast furnace, gas by Orsat apparatus, it is completely oxidised in contact with CuO to H₂O at a-temperature of about . . . . . . . . °C.

5.
Cuprous chloride solution is used in orsat apparatus for selectively absorbing carbon monoxide. However, it is capable of absorbing . . . . . . . . also.

6.
Ammonia present in coke oven gas is determined by passing its measured volume through the standard solution of

7.
During dissolution of iron from iron ore in acid solution, the rate of dissolution is accelerated by the addition of little amount of . . . . . . . . which reduces ferric iron to ferrous state.

8.
For moisture determination during proximate analysis of coal, -72 mesh coal (2 - 10 gms) is heated between 105 to 110°C

9.
Determination of volatile matter in coal, during its proxiinate analysis requires heating of coal sample.

10.
Calorific value of fuel gases is not determined by the . . . . . . . . calorimeter,